MACKINA-WESTFALIA, S.A.

- Mining Division -
 

ARCHES FOR GATE AND TUNNEL

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Arches are manufactured using the modern section of the hot rolled THN profile

 

Technical Characteristics of Profiles. Each arch is formed by several elements, depending on the section, geometry and geomining conditions of the predominant loads

 

Profile

K

n

h

e

Wx cm3

Wy cm3

F cm2

P kg/m

THN 16,5

106

80

90,5

44

40

42

21

16,5

THN 21

125

95,5

108

52,4

61,3

64

27

21

THN 29

150,5

116,5

124

58,2

93,7

103

37

29

 

 

CLAMPS

 

 

 

SECTION

DIMENSIONS (mm)

WEIGHT
 

A

D

E

F

G

kgs.

21

130

177

158

M 20

80

11,8

29

158

185

186

M 24

90

16,5